科学美国人60秒中文翻译：

　　The Paris Climate Agreement pledges to limit global temperature rise to well below 2 degrees Celsius. 巴黎气候协议所承诺的是将全球温度升高控制在2度以内。

　　But really nobody—and certainly not the United States—has laid out the plan to get there. 但实际上所有国家，当然不仅是包括美国在内没有制订出对此的计划。

　　Drew Shindell, a climate scientist at Duke University. 杜克大学的气候科学家德鲁斯林德尔评价道。

　　So we wanted to model, what would be the effects of actually putting into place policies that would get us to a level we've pledged to reach? 因此我们希望制作一个将这些政策理论付诸实施后会产生怎样影响的模型。

　　Shindell and his colleagues forecast that, to stay within two degrees C, we'd have to electrify nearly every car in the nation. 斯林德尔和他的同事们预测，为了将温度变化控制在2摄氏度以内，每年全国所有汽车都要使用电力。

　　And we'd have to get more than half our power from renewables. 而且将有一半以上的电力来自可再生资源。

　　And if we do all that? 如果全部来自于可再生资源会怎样呢?

　　In addition to keeping warming in check, the researchers estimate that we'd avoid nearly 300,000 premature deaths due to air pollution in the U.S., by 2030. 除了控制气候变暖，研究人员估计截止到2030年会避免30万人因空气污染过早死亡。

　　And they say the health-related financial benefits of that clean energy conversion—amounting to $250 billion dollars over the next 15 years—would likely outweigh the cost of implementing all that new technology. 研究人员表示在未来15年，清洁能源转化的健康收益将达到2500亿美元，这将远远超过所有新技术消耗的成本。

　　The analysis appears in the journal Nature Climate Change. 这项研究已在《自然气候变化》杂志上发表。

　　Big caveat: a lot of politicians these days don't think on 15-year time scales. 重要的提醒:很多政客认为不需要花费15年时间。

　　They're looking only as far as the next election. 他们的关注点只到下一次总统选举。

　　Right, but you start putting in these policies and you know you see the benefits for public health the same year the policies start to go into place. 是这样的，但这些政策开始真正实施后，第一年你就能看到它为公共健康所带来的益处。

　　There's no lag time. 时间不会滞后。

　　Air quality is something that, unlike climate, doesn't take decades. 与气候变化不同的是，空气质量不需要花费数十年。

　　Air quality is responding to what came out of a coal plant or a vehicle tailpipe last week, not last year. 空气质量体现的是上周煤电厂及汽车尾气的排放状况，而不是去年的数字。

　　Meaning cutting carbon pollution might have real impacts on the nation's health and wealth almost immediately for us…and not just for our children's children. 这意味着减少碳污染会即刻对整个国家的健康及财富产生影响，而不只牵连我们 子孙后代。

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